79713249 has 24 divisors (see below), whose sum is σ = 134879328. Its totient is φ = 41408640.

The previous prime is 79713247. The next prime is 79713259. The reversal of 79713249 is 94231797.

It is not a de Polignac number, because 79713249 - 2¹ = 79713247 is a prime.

It is a super-2 number, since 2×79713249² = 12708404132272002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79713249.

It is not an unprimeable number, because it can be changed into a prime (79713247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23032 + ... + 26265.

It is an arithmetic number, because the mean of its divisors is an integer number (5619972).

Almost surely, 2^79713249 is an apocalyptic number.

It is an amenable number.

79713249 is a deficient number, since it is larger than the sum of its proper divisors (55166079).

79713249 is a wasteful number, since it uses less digits than its factorization.

79713249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49325 (or 49318 counting only the distinct ones).

The product of its digits is 95256, while the sum is 42.

The square root of 79713249 is about 8928.2276516675. The cubic root of 79713249 is about 430.3714997533.

The spelling of 79713249 in words is "seventy-nine million, seven hundred thirteen thousand, two hundred forty-nine".